the passenger was jerry brown jr., a linebacker on the cowboys practice squad. officers say the car was on fire when they arrived on scene. >> when our officers arrived on scene, mr. brent was removing or dragging mr. brown from the vehicle. >> investigators say brown was unresponsive and died at a hospital. they say speed and alcohol are factors in the crash. brent failed a field sobriety test. >> based on his performance of those tests along with our officers' observations and the conversations they had with him, he was placed under arrest for driving while intoxicated. once our officers learned that mr. brown had passed away, then mr. price brent was under arrest for intoxication manslaughter. >> according to court records in illinois, brent was arrested in 2009 for driving under the influence, speeding and driving with a suspended license. he finished probation in july 2011. a criminal investigation i ongoing to determine exactly where the two spent the evening before the crash. >> that was sarah story reporting. the dallas cowboys are set to play the bengal